NASA hasn't seen this much launch jitters since the space shuttle program ended last summer.

The first private spacecraft ever to launch toward the International Space Station will be carrying a host of student science experiments when it blasts off Saturday (May 19), including projects looking at spiders in space and how microgravity affects wine.

The turtle is a closer relative of crocodiles and birds than of lizards and snakes, according to researchers who claim to have solved an age-old riddle in animal evolution.

A NASA sun-watching spacecraft will have an unbeatable view of June's historic Venus transit, but some of the probe's scientists are taking measures to get a great look for themselves here on Earth, too.

Ultra-Orthodox Jews who believe that the Internet threatens their way of life have rented the New York Mets' stadium for an unprecedented gathering on how to use modern technology in a religiously appropriate way.

Two days before Chicago hosts a summit of NATO leaders, Mayor Rahm Emanuel said the wide-ranging security measures and months of preparations that went into the event are already starting to pay off.